The Sub Fun Cinco dives 30 metres into the volcanic seabed off southern Tenerife. Angel sharks, lava tubes, and shipwrecks without getting wet.

The Bocaina Strait between Fuerteventura and Lanzarote is one of the best dolphin corridors in the Atlantic. Here are the three tours worth booking.

The Nervion river runs past the Guggenheim and historic bridges. A boat tour shows Bilbao from the angle Gehry designed it for, starting at just $16.

Sea caves, cliff jumps, and crystal-clear snorkelling. How to pick the right Costa Brava kayak tour from Barcelona and what to expect on the water.

Train times, organized tours, and tips for a day trip to Cordoba from Seville -- including the Mezquita, Jewish Quarter, and best lunch spots.

Skip-the-line tours of the Plaza de Toros de la Maestranza, from ticket prices to what the museum covers inside.

Three-hour guided bike tours through Retiro Park, the Royal Palace, and Madrid Rio. E-bike options, tapas add-ons, and seasonal timing advice.

Madrid pub crawls run from midnight to 6 AM across the best bars in Sol, Huertas, and Malasana. Three crawls compared, plus practical tips.

The Nerja-Maro coast is a protected strip of limestone cliffs, sea caves, and a waterfall. A kayak tour is the only way to see most of it.

Skip the queues at Barcelona's Fundacio Joan Miro. Ticket options, prices, what to expect inside, and how to reach Montjuic hill.

Barcelona Cathedral has free and paid entry hours. Here is how to get tickets and why the rooftop terrace is worth it.

Barcelona's oldest tourist boat runs harbour cruises from the Columbus Monument for $9. Here is how to book and which route to pick.

The Gothic Quarter hides centuries of dark history in its medieval alleys. Here are the best ghost tours to uncover it all.

Barcelona sunset catamaran cruises start at 15 dollars. Here is which one to pick and the best time to book.

The Barcelona Card covers 25+ museums and unlimited transport. Here is when it saves money and when to skip it.

Poble Espanyol packs 117 Spanish buildings into one Montjuic village. Tickets, craft workshops, the art collection, and why this 1929 relic is worth it.

Sant Pau is the largest Art Nouveau site on Earth and half-empty most days. How to get tickets, what to see, and why it beats the Gaudi crowds.

The Civitas Metropolitano is one of the best stadium tours in Spain. Self-guided or guided, with VR stations and tunnel access from $29.

The south coast calas are best reached by boat. Here are the three Menorca boat trips worth booking and how to pick between them.

Day-trip guide to the Pueblos Blancos and Ronda from Seville. Best tours, what to see, and why the white villages are worth the drive.

A mountaintop castle carved into rock, a turquoise reservoir, and waterfalls you can swim in — here is how to visit Guadalest from Alicante.

The Mercado Central, Moorish-influenced rice dishes, and turron from Jijona — here is how to eat your way through Alicante with a local guide.

Valencia's intimate flamenco tablaos deliver raw, close-up performances that rival Seville — at half the price and without the crowds.

Three island tours, four modes of transport, and the famous Soller railway through 13 mountain tunnels. Your complete guide to booking.